Dún Dúchathair - 4 Things to Know Before Visiting

The Black Fort is a large stone fort on the cliffs at Cill Éinne, Inishmore in County Galway, Ireland. Due to erosion, it now sits on a rocky promontory that stretches out into the sea. On its outer side there are large walls, reaching 6 metres high and 5 metres wide. On the inside are the ruins of clocháns. There is also evidence of a cheval de frise protecting the entrance.

The oratory Teampall Bheanáin is situated near Kilronan on Inishmore, Aran, Galway Bay, Ireland. It dates from the 11th century. Measuring just 3m by 3m, it's thought to have been a hermitage. A unique example of Celtic church construction. It is reasonably assumed to be the tomb-shrine of the saint.

Dún Eochla is a superb stone ring fort located at the highest point on Inishmore in the Aran Islands. Consisting of two series of walls, which with the stone hut in the enclosure, were repaired in the late 19th Century. It lies on Inishmore, at the edge of a 100 metre high cliff. A popular tourist attraction, Dún Aonghasa is an important archaeological site.

Poll na bPéist is the name of a rectangular, natural water basin with an edge length of approx. 10 by 25 meters within a stone formation on the coast of Inis Mór, the largest of the Aran Islands . It is connected to the waters of the Atlantic through an underground canal. It was created by the erosion of deeper layers of limestone along straight broken edges.

Dún Conor is a stone ringfort and National Monument located on Inishmaan, Ireland, measuring about 69 m N-S and 35 m E-W; although smaller than Dún Aengus, it has thicker walls, up to 6 m in places. The fort is believed to date back to the first or second millennium BC.

Inishmaan is the middle of the three main Aran Islands in Galway Bay on the west coast of Ireland. It is part of County Galway in the province of Connacht. Inishmaan has a population of about 183, making it the smallest of the Aran Islands in terms of population. It is one of the most important strongholds of traditional Irish culture. The island is predominantly Irish-speaking and part of the Gaeltacht, though all inhabitants have knowledge of English.